What I would do for basic installation. Rx from panel to jbox. From there 1/2" PVC to a wp switch box with a single pole switch mounted to a 4x4 post, above that wp box with a 20 amp twistlock recept. Run bond around pool to motor,install gfi breaker. Also I wouldinstall a general use gfi on the house to comply with 680-6a. Price tag materials $150 Labor 5 hours @ $65.00 permit $75 total $550.00